We’re Going to Detect More Gravitational Waves Than Ever Before, Here’s How

by Moin Uddin Ahmed Tipu

Once this $35 million upgrade is in place, LIGO will start using something called quantum “squeezed light.” So, what does that mean exactly?

LIGO’s Gravitational Wave Discovery Is Still In Question, But Why? –

Read More:
Gravitational-wave observatory LIGO set to double its detecting power
ttps://www.nature.com/articles/d41586-019-00573-4
“But the ALIGO+ upgrades will be more dramatic. If all goes to plan, LIGO will be able to detect neutron-star mergers that occur within 325 megaparsecs (around 1 billion light years) of Earth, says Ken Strain, a physicist at the University of Glasgow, UK, who leads a consortium of British universities that are expected to receive most of the UK money. That would nearly double the design sensitivity of 173 megaparsecs that LIGO expects to reach before the ALIGO+ upgrade.”

LIGO Receives New Funding to Search for More Extreme Cosmic Events

“This award ensures that NSF’s LIGO, which made the first historic detection of gravitational waves in 2015, will continue to lead in gravitational-wave science for the next decade,” said Anne Kinney, assistant director for NSF’s Mathematical and Physical Sciences Directorate, in a statement. ”

GET READY FOR GRAVITATIONAL WAVES ALL DAY, EVERY DAY

Another strategy to collect more signals is to build more observatories. Detectors in different locations that register the same signal help the researchers confirm that it’s from a gravitational wave. In addition, more detectors provide more coverage of the universe.

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47 comments

J L March 10, 2019 - 11:57 AM

Ill get my space surf board

Gulzar Ahmed March 10, 2019 - 12:01 PM

With all due respect, you are very pretty.

J L March 10, 2019 - 12:05 PM

What happens if you through a ball of plutonium the size of Jupiter at a neutron star

Tony Odermatt March 10, 2019 - 12:26 PM

Why does even a science story talk about " getting a quantum upgrade" , meaning a large boost in funding. When quantum deals with the very small?

Duly Noted March 10, 2019 - 5:26 PM

Sooo… Then what?

sprinter768 March 10, 2019 - 11:19 PM

Maren is so beautiful <3

Miguel Flores March 11, 2019 - 7:34 PM

she fine ash

dannyoman March 11, 2019 - 9:45 PM

Oh , Hello ! Nukes will be detected ?

Mystery March 12, 2019 - 1:23 AM

What happen if there is an earthquake? Does it interfere and show incorrect readings?

Tactrix March 12, 2019 - 9:35 AM

Keep up the great work Maren :)

Jonathan Merage March 12, 2019 - 2:38 PM

Super cute, super smart, super articulate, classy and geeky….will you marry me? 💕🥰🤓 I’ve got a MAJOR thing for girls who can explain sophisticated cutting-edge science without missing a beat. You are truly admirable and I am of course subscribing.

sylkates March 12, 2019 - 7:03 PM

When a gravitational wave is detected, can the physicists there gather enough information about it to tie it to a known point in the sky and associate it with light (etc) waves from an event they can take more imaging of using a telescope?

Logically Thinking March 12, 2019 - 9:04 PM

Quantify "subtle"… We're talking about electromagnetism (light) here… What if the "subtle shift" is equivalent to a multiple of the wavelength – then wouldn't a shift (i.e. gravitational wave) be missed since wave-cancellation would still occur?
Or, are the waves measured on a 3D-axis and not a 2D as portrayed in the video animations?

Logically Thinking March 12, 2019 - 9:11 PM

How does the mirror work?
How do you split a single beam off of, and through, a mirror at the same time?
Is this one of those 2-way (see-through) mirrors?
If so, wouldn't the light interact with the metallic (reflective) particles that create the partial reflectivity?
Or, does the beam project onto some sort of edge or hole in the mirror where part of the beam is unobstructed (traveling onward) and the rest of the beam is reflected down the other path?

Chisholm Hendrix March 13, 2019 - 11:30 AM

Lmfao what a pile of shit

rgerber March 14, 2019 - 4:16 AM

Wow you are sexy… I dont know what it is, but we could measure one thing after the other, really slowly

Andrew Corbell March 14, 2019 - 7:36 AM

Ha ha ha ha ha ha ha ha.

zezima March 14, 2019 - 2:39 PM

My ears turn red toooo

Michael Schuler March 15, 2019 - 9:58 AM

I thought the Heisenberg uncertainty principle was referring to sex after your married

Klab March 15, 2019 - 8:12 PM

Sorry -I just farted.

Nigel Johnson March 16, 2019 - 6:44 AM

If gravity waves have peaks and troughs, does that mean the peaks have repulsive gravity associated with them?

Sabyasachi Mukhopadhyay March 16, 2019 - 5:13 PM

Very very well articulated presentation!

Legion March 16, 2019 - 7:12 PM

Seeker: One of the most reputed STEM channels.
Seeker's hosts: Cool and eccentric(=special) with a bunch MSc degrees in top reputed universities.
Seeker's comment section: 99% dumb commenters.

Back when it was Discovery's Seeker, the comment section was polish and enthusiastic. Now it's all about stupid jokes.

Paul Anup March 17, 2019 - 8:15 PM

Does principles of gravitational waves applies to smaller objects like stars, planets, satellites or even asteroids?

Chris MC March 18, 2019 - 6:41 PM

Isn't a blackhole just a neutron star with a shroud?

weepingod March 21, 2019 - 4:36 PM

unless you do LIGO experiment in space it wont work cause land masses experience mini earthquakes all the time and thats going to screw up the results

Scientific Lee March 23, 2019 - 8:11 PM

shame they pick up electromagnetic signals….as thats what laser interferometry is for.
They dont pick up "gravity"…they measure em changes.

Scientific Lee March 23, 2019 - 8:11 PM

so of course more will be found…..your science is a delusion…

Swat K.Wanich April 6, 2019 - 7:34 AM

That’s just space-time wave not a gravitational wave . If gravitational wave have really existed stars probably cannot move around each other.

Death Michael April 10, 2019 - 10:32 PM

If you put a black hole in between sun and earth, and you make the sun disappear. The gravitational wave will travel through black hole and reach earth in speed of light, but the sun light will be distorted by the black hole and circulate black hole several times before it leaves black hole orbit and went towards earth. which means the gravity of sun will disappear earlier than sun light. Also, if you put a large body of water or cosmic dust in-between sun and earth, light will slow down, but gravitational wave won't slow down.

King D-Mind May 9, 2019 - 4:24 AM

Could we be able to detect celestial bodies with gravitational waves?

Peter Hoffman July 6, 2019 - 5:38 PM

Ripples in space time. Am I watching star trek? Real life is pretty crazy

Al Telephono July 25, 2019 - 9:21 PM

I want to know what the moon does to it, what seismic waves do to it, what change in heat causing subtle shrinking and expanding does to it, and what sounds do to it

mariano alippi August 7, 2019 - 1:34 PM

I like so much the peacfull gravitational waves that come from the soul you could be perfect on Bolivia Chile and Argentina Lithuim and the posibilities on developing bateries for Tesla cheapear and most efficient watch this i travelled in this countries and mostly the people the indians are really lovely peaceful it is in the cities where things are not so good it could be fantastic if you can film too for BBC https://youtu.be/ymW9yIyNNAo

mariano alippi August 7, 2019 - 1:39 PM
mariano alippi August 7, 2019 - 1:41 PM
Richard Deese August 22, 2019 - 9:11 PM

Thanks! But… @0:31: "…about how LEGO works…"?!? ;) 𝓡𝓲𝓴𝓴𝓲 𝓣𝓲𝓴𝓴𝓲.

MechaBits September 1, 2019 - 4:09 AM

So whats the difference between a gravitational wave & a shock wave, from multiple sources in the universe?

George Naugles September 13, 2019 - 6:00 AM

Thanks for an interesting video.

Shon Simpkins December 23, 2019 - 10:11 AM

I love this ligo fairytale. It's one of my favorite stories.

Simon Sozzi January 10, 2020 - 2:06 AM

Sabine Hossenfelder says it's B.S. They still haven't confirmed their measurements using electromagnetic measurements…meaning, they never looked out into space and confirmed that the supposed "wave detection" they made came from a detectable source that correlated. I mean…they looked…but the correlation is shaky at best. Gravitational waves travel at the speed of light so if we detect something, it should correlate to a visible event, whether it's in radio or infrared or x-rays…we should see something!?!

S January 30, 2020 - 4:39 AM

You do realize that space has no properties, right? Therefore, it cannot bend or wave, right? There is no "fabric" of space-time! Once you've realized that, watch this:

https://youtu.be/EjI-HUzA03U

If you are capable of watching the following video without the fear of betraying your Faith in Einstein, it might give you something to think about, from how Einstein became famous, and why he was canonized, while never receiving a Nobel prize for Relativity, and not even having confidence in his own theories nor understanding why he was idolized. Einstein's fame is clearly more about mysticism than actual science…

Unfortunately, unlearning is harder than learning…

By the way, I have no association with the authors of the video, nor do I support their paradigm or theories on cosmology. I simply agree with what is said in that video.

https://youtu.be/zELjb6iDjL8

Deepak K February 17, 2020 - 10:25 PM

Is she wearing an Indian fashion outfit !?👍👌

TypLcai July 31, 2020 - 3:48 PM

I cant wait for SALIGO++ exclusive

Stephen LeBlanc August 30, 2020 - 3:31 PM

I'm not sure you are explaining the squeezed light correctly. Stop with the drama.

eric pham September 29, 2020 - 2:11 PM

Thanks. Still difficult to get clear path but I get the meaning.